Household oven self-cleaning surfaces via catalytic thermal oxidation

Palmisano, Pietro; Faraldi, P.; Fino, Debora; Russo, Nunzio

doi:10.1016/j.cej.2009.03.028

Cited by 11 publications

(3 citation statements)

References 10 publications

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“…As a second industrially relevant nanomaterial we chose four batches of CeO 2 nanoparticles, which are marketed as oxidative catalysts for self-cleaning surfaces in ovens, 15 as catalytic diesel fuel additives, 16 and as an abrasive for chemical-mechanical polishing in electronic chip wafer production. The effect of CeO 2 particles from, for example, diesel fuel or from abrasion of coatings exposed to the environment was recently analyzed by van Hoecke et al 2 They investigated three different sizes (14,20, and 29 nm) of CeO 2 particles in different aquatic toxicity tests.…”

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confidence: 99%

Atomic Force Microscopy and Analytical Ultracentrifugation for Probing Nanomaterial Protein Interactions

et al. 2012

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Upon contact with the human body, nanomaterials are known to interact with the physiological surroundings, especially with proteins. In this context, we explored analytical methods to provide biologically relevant information, in particular for manufactured nanomaterials as produced by the chemical industry. For this purpose, we selected two batches of SiO(2) nanoparticles as well as four batches of CeO(2) nanoparticles, each of comparably high chemical purity and similar physicochemical properties. Adsorption of serum proteins and bovine serum albumin (BSA) was quantified by SDS-PAGE in combination with densitometry and further investigated by atomic force microscopy (AFM) and analytical ultracentrifugation (AUC). The protein adsorption to SiO(2) nanoparticles was below the limit of detection, regardless of adjusting pH or osmolality to physiological conditions. In contrast, the four CeO(2) nanomaterials could be classified in two groups according to half-maximal protein adsorption. Measuring the work of adhesion and indention by AFM for the BSA-binding CeO(2) nanomaterials revealed the same classification, pointing to alterations in shape of the adsorbed protein. The same trend was also reflected in the agglomeration behavior/dispersibility of the four CeO(2) nanomaterials as revealed by AUC. We conclude that even small differences in physicochemical particle properties may nevertheless lead to differences in protein adsorption, possibly implicating a different disposition and other biological responses in the human body. Advanced analytical methods such as AFM and AUC may provide valuable additional information in this context.

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confidence: 99%

Atomic Force Microscopy and Analytical Ultracentrifugation for Probing Nanomaterial Protein Interactions

et al. 2012

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“…However, they only analyzed the crystallization generated by the addition of Fe 2 O 3 and Cu microparticles, neglecting crystallization by the composition of the glass frit itself. If hydrophobicity can be expressed just by the crystallization of glass frit, this can be used in various applications such as self-cleaning household ovens [13,14] and outdoor glass insulators [15].…”

Section: Introductionmentioning

confidence: 99%

Crystallization Behavior of Phosphate Glasses with Hydrophobic Coating Materials

Chung

Ryu

2015

Journal of Nanomaterials

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We analyzed the effect of the addition of Li2O3, TiO2, and Fe2O3on the crystallization behavior of P2O5–CaO–SiO2–K2O glasses and the effect of the crystallization behavior on the roughness and hydrophobicity of the coated surface. Exothermic behavior, including a strong exothermic peak in the 833–972 K temperature range when Fe2O3, TiO2, or Li2O3was added, was confirmed by differential thermal analysis. The modified glass samples (PFTL1–3) showed diffraction peaks when heated at 1073 and 1123 K for 5 min; the crystallized phase corresponds to Fe3(PO4)2, that is, graftonite. We confirmed that the intensity of the diffraction peaks increases at high temperatures and with increasing Li2O3content. In the case of the PFTL3 glass, a Li3Fe2(PO4)2phase, that is, trilithium diiron(III) tris[phosphate(V)], was observed. Through scanning electron microscopy and the contact angles of the surfaces with water, we confirmed that the increase in surface roughness, correlated to the crystallization of the glass frit, increases hydrophobicity of the surface. The calculated values of the local activation energies for the growth of Fe3(PO4)2on the PTFL1, PTFL2, and PFTL3 glass were 237–292 kJ mol−1, 182–258 kJ mol−1, and 180–235 kJ mol−1.

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“…Therefore, for enhancing the catalytic properties of the glass, it is important to design a composition that can suppress the crystallization of phosphate glass to which CeO 2 is added. Such glasses can be used as catalysts, in self-cleaning household ovens 11), 12) and catalyzed diesel particulate filter.…”

Section: Introductionmentioning

confidence: 99%

Characterization and catalytic behavior of cerium oxide doped into aluminosilicophosphate glasses

Park

Ryu

2016

J. Ceram. Soc. Japan

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Cerium oxide is commonly used as a catalyst for the oxidation of carbon monoxide (CO) in vehicle exhaust gases, and it is used as a petroleum-cracking catalyst in oil refineries. In this study, cerium aluminosilicophosphate glasses were synthesized and various physical and catalytic properties were measured, including optical properties and decomposition temperatures, by thermogravimetric analysis (TGA) and Fourier transform infrared (FT-IR) analysis. Ce 3+ /Ce 4+ ratios and structural changes in the glass attributable to doping with ³25 mol % CeO 2 were investigated by FT-IR spectroscopy and X-ray photoelectron spectroscopy (XPS) analysis. Changes in the catalytic properties of the glasses as a function of CeO 2 content were confirmed by changes in the decomposition starting temperatures. These temperatures decreased with increasing CeO 2 content of the glasses. We also discuss the role of CeO 2 in terms of the catalytic properties of the glass structure.

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Household oven self-cleaning surfaces via catalytic thermal oxidation

Cited by 11 publications

References 10 publications

Atomic Force Microscopy and Analytical Ultracentrifugation for Probing Nanomaterial Protein Interactions

Atomic Force Microscopy and Analytical Ultracentrifugation for Probing Nanomaterial Protein Interactions

Crystallization Behavior of Phosphate Glasses with Hydrophobic Coating Materials

Characterization and catalytic behavior of cerium oxide doped into aluminosilicophosphate glasses

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